A special extension is available for use with Nikon 105mm VR Macro and Canon 100mm USM Macro lenses. Manual focus is adjusted with a large, easy-to-turn knob on the side of the extension. Focus Extension can be used with the Nikon 105mm VR Macro lens and either #5510.16 or #5510.22 Port Bodies. Canon 100mm USM lenses require the #5510.16 Port Body.
The Focus Extension can be used in place of the 1.75" Standard Extension in most instances. The Focus Extension should NOT be used with the bayonet-style #5510.10 or #5510.11 Super-Wide Angle Port Bodies.
|Function / Efficiency|
|Extension Length||1.75 inches / 4.4cm|
|Depth rating||60m / 200 ft.|
|Port Mount||Ikelite FL Mount|
|Spare O-Ring||Ikelite O-ring #0132.41|
|Materials||Corrosion-resistant aluminum alloy (anodized), Plastic.|